# A125222 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 119
5 1116
6 12522
7 162863
8 2404103
9 39673456
10 723567188
11 14452217803
12 313777135454
13 7358812996185
14 185417876158777
15 4995923835850536
16 143354000575456167
17 4364618600823015848
18 140542706037271723068